Compare 21/75 and 20/4
1st number: 21/75, 2nd number: 5 0/4
21/75 is smaller than 20/4
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 4 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
21/75 = 21 × 4/75 × 4 = 84/300 - Likewise, for the 2nd fraction, since 4 × 75 = 300,
20/4 = 20 × 75/4 × 75 = 1500/300 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 84/300 < 1500/300 or 21/75 < 20/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/75 and 20/4 21/75 and 40/4 21/75 and 20/8 63/75 and 20/4 21/75 and 60/4 21/75 and 20/12 21/75 and 20/28